Käyttäjän CometJu profiilikuva
Maan China lippu Jilin, China
Jäsen alkaen 30. joulukuuta 2018
1 Suositukset


Online-tilassa Offline-tilassa
I have 8+ years experiences related to hardware and firmware development. - Electronics circuit design(schematic, PCB, simulation) - Microcontrollers(Microchip PIC, ARM, AVR, 8051) - Arduino projects(LED, various LCD, Keyboard, Mic&Speaker, Memory,...) - Wire/wireless communications (Ethernet, WiFi, Bluetooth, ZigBee, USB, RS232/485, CAN, I2C, etc.) - Device development and programming using FPGA/CPLD - sensors (temperature, humidity, precipitation, air pressure,...) - RF/Microwave Devices(active/passive) development I always will satisfy your needs perfectly and clearly. I can work in full-time, 12+ hours/day and can work in your timezone. Also will keep good communication. Best regards, Li.
$30 USD/hr
22 arvostelua
  • 96%Suoritetut työtehtävät
  • 97%Budjetin mukaisesti
  • 84%Ajallaan
  • N/AUudelleenpalkkaamisaste


Viimeaikaiset arvostelut

  • käyttäjän Sami S. kuva PCB Design Gerber File £200.00 GBP

    “Friendly, hardworking and did an excellent job! Very satisfied.”

  • käyttäjän Yousf I. kuva Looking for a PCB designer $35.00 USD

    “There was a trouble to work with him but at least, we could get the final result. Thanks. His quality is good enough.”

  • käyttäjän Turcanu I. kuva Project for Li J. $100.00 USD

    “There was some argument with the freelancer, but we finally got satisfied result. I think he is professional and always want to learn something. I recommend this freelancer.”

  • käyttäjän Donal M. kuva Project for Li J. £100.00 GBP

    “Very happy with the schematic work Li J. completed for me.”

  • käyttäjän Veysel O. kuva Project for Li J. -- 2 $400.00 USD

    “he supplied well job”

  • käyttäjän Kent M. kuva Temperature sensor, display and control (12 volt) $250.00 USD

    “Work was adiquate, but had problems delivering on time. Also did not deliver the what I reqestind in full, had to redo the design to fasilitate the origional ask.”


Hardware and Firmware developer

Apr 2014

I 'm working in this company as a Hardware and Firmware developer.



2009 - 2014 (5 years)


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